rosanti, novi. “ANALISIS DAYA SAING UBI KAYU DI PROVINSI LAMPUNG”. SOSIAL DAN EKONOMI PERTANIAN 12, no. 1 (March 26, 2018): 62 - 74. Accessed May 8, 2024. https://jurnalfp.uisu.ac.id/index.php/sep/article/view/20.